# SubTranslate

> Click any word in video subtitles to instantly translate it with DeepL. Double-click for full sentences. Supports YouTube, SVT Play, and SVT.

Canonical page: [https://chrome-stats.com/d/subtranslate](https://chrome-stats.com/d/subtranslate)

## Overview

- **ID:** `subtranslate`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Simon
- **Category:** language-support,photos-music-videos
- **Daily users:** 15
- **Weekly downloads:** 5
- **Version:** 1.8.0
- **Last updated:** 2026-04-18
- **First published:** 2026-04-06
- **Size:** 47 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/subtranslate/)
- **Website:** [https://github.com/simonfontana/SubTranslate](https://github.com/simonfontana/SubTranslate)

## Description

<strong>SubTranslate</strong> helps you translate video subtitles instantly while you watch. Click any subtitle word to pause the video and see its translation in a tooltip. Double-click to translate the full sentence. Triple-click to translate all visible subtitles at once.

<strong>Features:</strong>
<ul><li>Click individual subtitle words for instant translation</li><li>Double-click to translate the full sentence</li><li>Triple-click to translate all visible subtitles at once</li><li>Explore sentence translations with clickable words</li><li>Click translated words to see reverse translations back to the source language</li><li>Right-click subtitles to copy the text or look up a word on Wiktionary</li><li>Correctly handles hyphenated words split across subtitle lines</li><li>Automatically pauses playback during translation (configurable)</li><li>Tooltip closes when playback resumes</li><li>Works on YouTube, SVT Play, and <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/416d4b753e34321a1fbd48b9cd7b3e9fc1476c4785f9552b844c3af10c81082a/http%3A//svt.se" rel="nofollow">svt.se</a></li><li>Supports all languages available through DeepL</li></ul>
<strong>Appearance &amp; customization:</strong>
<ul><li>Adjustable subtitle font size and vertical position</li><li>Customizable highlight color with presets and HSL color picker</li><li>Per-site settings overrides — configure each site independently</li></ul>
<strong>Advanced options:</strong>
<ul><li>Context history — include previous subtitles for more accurate translations</li><li>Choice of DeepL translation model (high quality or fast)</li></ul>
<strong>Setup:</strong>
A DeepL API key is required. Get one from <code><a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/fa29e62ddd73f8186f4f7ece2a4ea6e08e552bca9f9f2c19a94d4465d5528f76/http%3A//deepl.com/your-account/keys" rel="nofollow">deepl.com/your-account/keys</a></code>, then open the extension popup and enter your API key and preferred languages.

## Rankings

- #28,167 — Overall
- #186 — translate

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `https://api-free.deepl.com/*`
- `https://api.deepl.com/*`

### Content script matches

- `www.youtube.com`
- `www.svtplay.se`
- `www.svt.se`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: deepl.com, youtube.com, svtplay.se, svt.se
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/subtranslate)